Le 11 mars 2020, l’OMS a requalifié l’épidémie de Covid-19 en pandémie. Plus d’un an après, le coronavirus SARS-CoV-2, responsable de la maladie, continue à circuler activement, et son origine exacte demeure inconnue. On sait aujourd’hui que la séquence de ce virus est proche de celle des coronavirus de chauves-souris.
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It's an enigma that has been with us since the early days of the pandemic. Where did this coronavirus come from that turned the world upside down? Hypotheses have been put forward and everyone has put forward their own explanation: the virus comes from a bat, a pangolin, it escaped from a Chinese lab,
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